Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 256 insertions, 0 deletions

diff --git a/source4/lib/socket/socket.h b/source4/lib/socket/socket.h
new file mode 100644
index 0000000..ba2c17e
--- /dev/null
+++ b/source4/lib/socket/socket.h
@@ -0,0 +1,256 @@
+/* 
+   Unix SMB/CIFS implementation.
+   Socket functions
+   Copyright (C) Stefan Metzmacher 2004
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _SAMBA_SOCKET_H
+#define _SAMBA_SOCKET_H
+
+struct tevent_context;
+struct tevent_fd;
+struct socket_context;
+
+enum socket_type {
+	SOCKET_TYPE_STREAM,
+	SOCKET_TYPE_DGRAM
+};
+
+struct socket_address {
+	const char *family;
+	char *addr;
+	int port;
+	struct sockaddr *sockaddr;
+	size_t sockaddrlen;
+};
+
+struct socket_ops {
+	const char *name;
+
+	NTSTATUS (*fn_init)(struct socket_context *sock);
+
+	/* client ops */
+	NTSTATUS (*fn_connect)(struct socket_context *sock,
+			       const struct socket_address *my_address,
+			       const struct socket_address *server_address,
+			       uint32_t flags);
+
+	/* complete a non-blocking connect */
+	NTSTATUS (*fn_connect_complete)(struct socket_context *sock,
+					uint32_t flags);
+
+	/* server ops */
+	NTSTATUS (*fn_listen)(struct socket_context *sock,
+			      const struct socket_address *my_address, 
+			      int queue_size, uint32_t flags);
+	NTSTATUS (*fn_accept)(struct socket_context *sock,	
+			      struct socket_context **new_sock);
+
+	/* general ops */
+	NTSTATUS (*fn_recv)(struct socket_context *sock, void *buf,
+			    size_t wantlen, size_t *nread);
+	NTSTATUS (*fn_send)(struct socket_context *sock, 
+			    const DATA_BLOB *blob, size_t *sendlen);
+
+	NTSTATUS (*fn_sendto)(struct socket_context *sock, 
+			      const DATA_BLOB *blob, size_t *sendlen,
+			      const struct socket_address *dest_addr);
+	NTSTATUS (*fn_recvfrom)(struct socket_context *sock, 
+				void *buf, size_t wantlen, size_t *nread,
+				TALLOC_CTX *addr_ctx, struct socket_address **src_addr);
+	NTSTATUS (*fn_pending)(struct socket_context *sock, size_t *npending);      
+
+	void (*fn_close)(struct socket_context *sock);
+
+	NTSTATUS (*fn_set_option)(struct socket_context *sock, const char *option, const char *val);
+
+	char *(*fn_get_peer_name)(struct socket_context *sock, TALLOC_CTX *mem_ctx);
+	struct socket_address *(*fn_get_peer_addr)(struct socket_context *sock, TALLOC_CTX *mem_ctx);
+	struct socket_address *(*fn_get_my_addr)(struct socket_context *sock, TALLOC_CTX *mem_ctx);
+
+	int (*fn_get_fd)(struct socket_context *sock);
+};
+
+enum socket_state {
+	SOCKET_STATE_UNDEFINED,
+
+	SOCKET_STATE_CLIENT_START,
+	SOCKET_STATE_CLIENT_CONNECTED,
+	SOCKET_STATE_CLIENT_STARTTLS,
+	SOCKET_STATE_CLIENT_ERROR,
+	
+	SOCKET_STATE_SERVER_LISTEN,
+	SOCKET_STATE_SERVER_CONNECTED,
+	SOCKET_STATE_SERVER_STARTTLS,
+	SOCKET_STATE_SERVER_ERROR
+};
+
+#define SOCKET_FLAG_PEEK         0x00000002
+#define SOCKET_FLAG_TESTNONBLOCK 0x00000004
+#define SOCKET_FLAG_ENCRYPT      0x00000008 /* This socket
+					     * implementation requires
+					     * that re-sends be
+					     * consistent, because it
+					     * is encrypting data.
+					     * This modifies the
+					     * TESTNONBLOCK case */
+#define SOCKET_FLAG_NOCLOSE      0x00000010 /* don't auto-close on free */
+
+
+struct socket_context {
+	enum socket_type type;
+	enum socket_state state;
+	uint32_t flags;
+
+	int fd;
+
+	void *private_data;
+	const struct socket_ops *ops;
+	const char *backend_name;
+
+	/* specific to the ip backend */
+	int family;
+};
+
+struct resolve_context;
+struct tsocket_address;
+
+/* prototypes */
+NTSTATUS socket_create_with_ops(TALLOC_CTX *mem_ctx, const struct socket_ops *ops,
+				struct socket_context **new_sock, 
+				enum socket_type type, uint32_t flags);
+NTSTATUS socket_create(TALLOC_CTX *mem_ctx,
+		       const char *name, enum socket_type type,
+		       struct socket_context **new_sock, uint32_t flags);
+NTSTATUS socket_connect(struct socket_context *sock,
+			const struct socket_address *my_address, 
+			const struct socket_address *server_address,
+			uint32_t flags);
+NTSTATUS socket_connect_complete(struct socket_context *sock, uint32_t flags);
+NTSTATUS socket_listen(struct socket_context *sock, 
+		       const struct socket_address *my_address, 
+		       int queue_size, uint32_t flags);
+NTSTATUS socket_accept(struct socket_context *sock, struct socket_context **new_sock);
+NTSTATUS socket_recv(struct socket_context *sock, void *buf, 
+		     size_t wantlen, size_t *nread);
+NTSTATUS socket_recvfrom(struct socket_context *sock, void *buf, 
+			 size_t wantlen, size_t *nread, 
+			 TALLOC_CTX *addr_ctx, struct socket_address **src_addr);
+NTSTATUS socket_send(struct socket_context *sock, 
+		     const DATA_BLOB *blob, size_t *sendlen);
+NTSTATUS socket_sendto(struct socket_context *sock, 
+		       const DATA_BLOB *blob, size_t *sendlen,
+		       const struct socket_address *dest_addr);
+NTSTATUS socket_pending(struct socket_context *sock, size_t *npending);
+NTSTATUS socket_set_option(struct socket_context *sock, const char *option, const char *val);
+char *socket_get_peer_name(struct socket_context *sock, TALLOC_CTX *mem_ctx);
+struct socket_address *socket_get_peer_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx);
+struct socket_address *socket_get_my_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx);
+struct tsocket_address *socket_address_to_tsocket_address(TALLOC_CTX *mem_ctx,
+							  const struct socket_address *a);
+struct socket_address *tsocket_address_to_socket_address(TALLOC_CTX *mem_ctx,
+							 const struct tsocket_address *a);
+struct tsocket_address *socket_get_remote_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx);
+struct tsocket_address *socket_get_local_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx);
+int socket_get_fd(struct socket_context *sock);
+NTSTATUS socket_dup(struct socket_context *sock);
+struct socket_address *socket_address_from_strings(TALLOC_CTX *mem_ctx,
+						   const char *type, 
+						   const char *host,
+						   int port);
+struct socket_address *socket_address_from_sockaddr(TALLOC_CTX *mem_ctx, 
+						    struct sockaddr *sockaddr, 
+						    size_t addrlen);
+struct sockaddr_storage;
+struct socket_address *socket_address_from_sockaddr_storage(TALLOC_CTX *mem_ctx,
+							    const struct sockaddr_storage *sockaddr,
+							    uint16_t port);
+_PUBLIC_ void socket_address_set_port(struct socket_address *a,
+				      uint16_t port);
+struct socket_address *socket_address_copy(TALLOC_CTX *mem_ctx,
+					   const struct socket_address *oaddr);
+const struct socket_ops *socket_getops_byname(const char *name, enum socket_type type);
+bool socket_check_access(struct socket_context *sock, 
+			 const char *service_name,
+			 const char **allow_list, const char **deny_list);
+
+struct composite_context *socket_connect_send(struct socket_context *sock,
+					      struct socket_address *my_address,
+					      struct socket_address *server_address, 
+					      uint32_t flags,
+					      struct tevent_context *event_ctx);
+NTSTATUS socket_connect_recv(struct composite_context *ctx);
+NTSTATUS socket_connect_ev(struct socket_context *sock,
+			   struct socket_address *my_address,
+			   struct socket_address *server_address, 
+			   uint32_t flags, 
+			   struct tevent_context *ev);
+
+struct socket_connect_multi_ex {
+	void *private_data;
+	struct tevent_req *(*establish_send)(TALLOC_CTX *mem_ctx,
+					     struct tevent_context *ev,
+					     struct socket_context *sock,
+					     struct socket_address *addr,
+					     void *private_data);
+	NTSTATUS (*establish_recv)(struct tevent_req *req);
+};
+struct composite_context *socket_connect_multi_ex_send(TALLOC_CTX *mem_ctx,
+						       const char *server_address,
+						       int num_server_ports,
+						       uint16_t *server_ports,
+						       struct resolve_context *resolve_ctx,
+						       struct tevent_context *event_ctx,
+						       struct socket_connect_multi_ex *ex);
+NTSTATUS socket_connect_multi_ex_recv(struct composite_context *ctx,
+				      TALLOC_CTX *mem_ctx,
+				      struct socket_context **result,
+				      uint16_t *port);
+NTSTATUS socket_connect_multi_ex(TALLOC_CTX *mem_ctx, const char *server_address,
+				 int num_server_ports, uint16_t *server_ports,
+				 struct resolve_context *resolve_ctx,
+				 struct tevent_context *event_ctx,
+				 struct socket_connect_multi_ex *ex,
+				 struct socket_context **result,
+				 uint16_t *port);
+
+struct composite_context *socket_connect_multi_send(TALLOC_CTX *mem_ctx,
+						    const char *server_address,
+						    int num_server_ports,
+						    uint16_t *server_ports,
+						    struct resolve_context *resolve_ctx,
+						    struct tevent_context *event_ctx);
+NTSTATUS socket_connect_multi_recv(struct composite_context *ctx,
+				   TALLOC_CTX *mem_ctx,
+				   struct socket_context **result,
+				   uint16_t *port);
+NTSTATUS socket_connect_multi(TALLOC_CTX *mem_ctx, const char *server_address,
+			      int num_server_ports, uint16_t *server_ports,
+			      struct resolve_context *resolve_ctx,
+			      struct tevent_context *event_ctx,
+			      struct socket_context **result,
+			      uint16_t *port);
+void set_socket_options(int fd, const char *options);
+void socket_set_flags(struct socket_context *sock, unsigned flags);
+
+void socket_tevent_fd_close_fn(struct tevent_context *ev,
+			       struct tevent_fd *fde,
+			       int fd,
+			       void *private_data);
+
+extern bool testnonblock;
+
+#endif /* _SAMBA_SOCKET_H */